Specifications:
The document outlines the specifications for conveyor rollers, focusing on the 1500 and 2521 series. The tube diameter is Φ50, and the shaft diameter options are Φ12 or Φ15. The steel tube is zinc plated, and the sprocket is welded to the tapered steel tube to handle medium to heavy-duty loads. The rollers are suitable for a temperature range of -10℃ to 80℃ and can convey items weighing up to 200kg.

Product Features:
The rollers feature a bearing unit with a precision ball bearing housed in a steel, zinc-plated casing. The end cap, made of Damon green polypropylene, offers protection against dust and water. The design includes narrow tooth sprockets for smooth rotation, and the taper can be customized to a standard 3.6°.

Drive Element:
The sprocket is made of steel and zinc plated, designed for the 1500 Series Curve Conveyor Roller and the 2521 Series. The internal thread specifications are provided for both series, with detailed dimensions for shaft diameter and tube thickness.